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From: "Michal H. Tyc" <mht AT bttr-software DOT de>
Organization: BTTR Software
Date: Thu, 04 Dec 2003 20:50:23 +0100
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To: opendos AT delorie DOT com
Subject: Re: DR Dos on a P4
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On Thu, 4 Dec 2003 11:00:38 -0600, Jacob Brewer wrote:

> On my P4  I am having some problems.  It says address a20 already in use
> when I load himem.sys. 

It's a warning only. I get it on my (Pentium-MMX) based Toshiba notebook
as well, but HIMEM works anyway.

> Then when the system comes up I only have access to
> 64MB of the 512MB :(

DR-DOS memory managers (at least the latest official versions of them)
support up to 64 MB only. You may have to borrow Win9x HIMEM.SYS.

Hope this helps,

Michal